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MountNemo Door SpecialistsOpen 24/7 (289) 203-0726
Gloved person holding a black strip along the side of a sectional garage-door opening — Garage Door Perimeter Weatherstrip, Hamilton Beach

Repairs · Hamilton Beach

Garage Door Perimeter Weatherstrip

The new door went in last year and looks perfect, but the old wooden stop and its tired seal were left in place. Along the top there is a gap you could slide a finger into, and the cold pours through it.

In plain words

A perimeter seal is only as good as the door it meets, so a technician looks at the door before the seal. If one side shows daylight and the other is tight, the strip may be fine and the door may have drifted: worn rollers, a track bracket that has moved, a top section that bows away from the header. Setting that right first means the new fin can be positioned with the same light contact on every side. Where the door is already square, the seal is fitted straight to it. Either way the result is a door that closes against a continuous line of contact.

Sound familiar?Hamilton Beach

The call
Dry leaves keep appearing in the same corner inside the garage, and this fall there were mouse droppings along the wall beside the door. When you look, the corner where the top and side strips meet is wide open.

NextHow the visit goes

Garage Door Perimeter Weatherstrip · Hamilton Beach

How the visit goes

Four long coiled garage-door springs on a concrete floor, three black with metal end cones and one rusty spring broken in two. — Hamilton Beach
  1. Scene 1

    How the door sits in the opening

    A perimeter seal can only follow a door that sits where the frame expects it, so the door is checked before any strip is ordered or cut. Each edge is checked for plumb, the gap to both jambs is compared, and the top section is watched as it meets the header to see whether it bows away or leans in. Rollers, hinges and the spacing of the vertical tracks are looked at because any of them can shift the door face toward one jamb and away from the other. Small corrections, such as re-setting a track bracket, are noted so the new seal is fitted to a door that closes square and stays that way.

  2. Scene 2

    Fitting the sides and closing the corners

    Each side length is cut to run from tight under the header piece down to the floor, with a little spare to trim in place. It is set with the same light contact as the header and fastened top to bottom. At the top corner, the side fin tucks under the header fin so they overlap, leaving no square hole for drafts or mice. At the floor the side is trimmed to meet the bottom seal on the door, so the seal is continuous around three sides and hands off to the fourth. Both sides are done the same way, checking the door edge gap as they go.

  3. Scene 3

    Corners that stay closed to pests

    With the header and side fins overlapped, the small square holes that mice and wasps used are gone. Keep them that way by checking the four corners each autumn, when animals are looking for warmth, and pressing any lifted corner back into place. The point where the side seal meets the bottom seal on the door is worth a look too, since the bottom seal wears on its own schedule. A clear threshold, with leaves swept away from the door, removes the shelter pests use to work at a corner. Sealing the perimeter is one of the simpler parts of keeping a garage pest-free.

In the van

  • Tape measure, level and square
  • Utility knife and mitre saw
  • Flexible vinyl fin seal
  • Vinyl stop moulding with integral seal
  • Aluminum retainer and rubber insert

What shapes the quoteMount Nemo Door Specialists

Colour and profile
Standard colours and fin widths are carried on the truck. A less common colour, an extra-wide fin or a commercial retainer with insert may be a special order, with the difference noted.
Fin on the existing stop or a one-piece vinyl stop
Nailing a new fin to a sound wood stop uses less material than replacing the stop with a one-piece vinyl moulding, which costs more as a part but needs no paint and does not rot.
Corner detailing
Mitred corners on a one-piece stop, or fitting round an unusual trim profile, take more cutting and fitting than butted corners on a plain jamb.

FeesSame any hour

Have it ready

Before you call · 0 / 3

(289) 203-0726

Answers in plain language

How do I stop the seal freezing to the door in an ice storm?

Wipe the fin with a silicone spray or a silicone lubricant on a cloth in late autumn and once or twice through the winter. The film cuts the odds of meltwater bonding the fin to the cold door face, though a hard freeze can still catch it. Avoid oil-based products, which soften vinyl. If the door does freeze to the seal, let the sun or a little warm water free it, dry the spot afterwards, and avoid forcing the opener.

What is the difference between perimeter weatherstrip and the bottom seal?

The bottom seal is a rubber or vinyl strip fixed to the lower edge of the door itself and presses against the floor. Perimeter weatherstrip is fixed to the frame, running up both jambs and across the header, and the closed door presses against it from inside. They wear differently and are replaced separately, though it is common to renew both in one visit when each is showing its age.

Will replacing the perimeter seal keep mice out?

It closes one of their favourite routes. Mice enter at the open corners where the header and side seals meet and along a fin that has shrunk back from the door, so a continuous, overlapped seal removes those gaps. It works alongside a sound bottom seal, a swept threshold and attention to any other openings in the garage wall, and a technician will point out any of those noticed during the visit.

Hamilton Beachinformation

HamiltonOntario

Town
Hamilton Beach, Hamilton
In business
12 years
Hours
Open 24/7
Nights, weekends and holidays, same fees
Visits
On-site assessment preferred. Request a visit or call.

2021 census: what it means at the door

Every square is one home in a hundred.

  • 61 in 100 homes · older homes
  • About 61% of homes in Hamilton were built in 1980 or earlier, according to the 2021 Census.Wiring in an older garage may be a single outlet on the ceiling shared with the light, so a new opener is chosen with that in mind, and a battery backup covers the door during a power cut. The technician looks at the outlet before recommending a unit.
  • Single-detached houses make up about 56% of homes in Hamilton (2021 Census).In areas mixing houses with townhouses and condos, a technician often works on several doors on one street, some owned outright and some looked after by management. Scheduling them together saves everyone time, and we are glad to plan a visit that covers the group.

Source: Statistics Canada, Census Profile

Open Hamilton Beach in Google Maps

On-site assessment

Request a visit.

The new door went in last year and looks perfect, but the old wooden stop and its tired seal were left in place.

(289) 203-0726, open 24/7.